摘要: 目的检测正常豚鼠及庆大霉素致耳聋豚鼠在清醒和麻醉两种状态下的听性脑干反应(ABR),比较两种状态下ABR波形、反应阈及潜伏期等的差别。方法杂色豚鼠40只(正常组和庆大霉素致耳聋组各20只)分别在麻醉前后记录ABR各数据,用配对t检验进行统计学分析。结果正常豚鼠在清醒和麻醉状态下ABR波形,反应阈,Ⅰ、Ⅲ波峰潜伏期,Ⅰ-Ⅲ波峰间期无显著差异(P>0.05);庆大霉素致耳聋豚鼠在清醒和麻醉状态下ABR各参数亦无显著差异(P>0.05)。结论豚鼠(正常或耳聋)在清醒或麻醉状态下测试ABR无显著差异,因此为保证实验成功和减少误差可采用非麻醉方法。
中图分类号:
陈浩; 李永贺; 钱宇虹; 郭梦和;. 正常和庆大霉素致耳聋豚鼠清醒和麻醉状态下听性脑干反应的比较[J]. 南方医科大学学报, 2006, 26(11): 1596-1598.
CHEN Hao,LI Yong-he,QIAN Yu-hong,GUO Meng-he Department of Otorhinolaryngology and Head and Neck Surgery,Zhujiang Hospital,Southern Medical University,Guangzhou 510282,China. Auditory brainstem response in normal guinea pigs and those with gentamicin-induced hearing loss under awake and anesthetic conditions[J]. Journal of Southern Medical University, 2006, 26(11): 1596-1598.